Always an error, also can not find what is wrong, for help

CodePudding user response:

Another case of null pointer operations

Break button there, click on to see what's the statements in the face a null pointer operations, then to change

CodePudding user response:

Fun

reference 1 floor response:

is another case of null pointer operations

Break button there, click on to see what's the statements in the face a null pointer operations, then to change

well, I glanced at the code